Norsk Hydro will invest about NOK 850 million (US$143.9 million) from 2011 to 2015 to upgrade the Rjukan hydropower system in Telemark, southeast Norway, modernizing the major hydroelectric facility to ensure long-term safe and stable power supplies, wire services reported.
The Rjukan power system comprises five power plants, with a combined average annual capacity of approximately 3 TWh. The planned work will consist of upgrading of the waterways, new control systems and power distribution, as well as rehabilitating generators and turbines, reports indicate.
The Rjukan system includes the Froystul, Vemork, Saheim, Moflat and Mael hydro plants.
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